Edg 2286 browsing history of conversations (#92)

* WiP on thread view.

* Missing db code.

* Fixes in sericeDB, working on listView in threads window.

* Changes in thread Db message.

* Missing responseTo value bug tracking.

* Fixed threads DB getter.

* Show threads list.

* Added missing code in service-db.

* Small fixes.

* WiP listView swich page.

* Code clean-up.

* Code formatted.

* PR sugestions applied.

module-apps/application-messages/widgets/ThreadModel.cpp

@@ -0,0 +1,65 @@
+/*
+ * ThreadModel.cpp
+ *
+ *  Created on: 15 lis 2019
+ *      Author: kuba
+ */
+
+#include "ThreadModel.hpp"
+#include "ThreadItem.hpp"
+
+#include "Application.hpp"
+
+#include "../MessagesStyle.hpp"
+
+#include "service-db/api/DBServiceAPI.hpp"
+ThreadModel::ThreadModel(app::Application *app) :
+		DatabaseModel(app, messages::threads::pageSize) {
+
+}
+
+void ThreadModel::requestRecordsCount(void) {
+	recordsCount = DBServiceAPI::ThreadGetCount(application);
+
+	if (recordsCount > 0) {
+
+		DBServiceAPI::ThreadGetLimitOffset(application, 0,
+				messages::threads::pageSize);
+		if (recordsCount >= messages::threads::pageSize) {
+			DBServiceAPI::ThreadGetLimitOffset(application,
+					messages::threads::pageSize, messages::threads::pageSize);
+		}
+	}
+}
+bool ThreadModel::updateRecords(
+		std::unique_ptr<std::vector<ThreadRecord>> records,
+		const uint32_t offset, const uint32_t limit, uint32_t count) {
+	DatabaseModel::updateRecords(std::move(records), offset, limit, count);
+
+	return true;
+}
+
+void ThreadModel::requestRecords(uint32_t offset, uint32_t limit) {
+	DBServiceAPI::ThreadGetLimitOffset(application, offset, limit);
+}
+
+gui::ListItem* ThreadModel::getItem(int index, int fistElement, int prevElement,
+		uint32_t limit, int remaining, bool topDown) {
+	std::shared_ptr<ThreadRecord> thread = getRecord(index);
+
+	if (thread.get() == nullptr) {
+		return nullptr;
+	}
+
+	auto item = new gui::ThreadItem(this);
+	if (item != nullptr) {
+		item->setThreadItem(thread);
+		item->setID(index);
+		item->activatedCallback = [=](gui::Item &item) {
+			LOG_INFO("ThreadItem ActivatedCallback");
+			return true;
+		};
+		return item;
+	}
+	return nullptr;
+}